EP 0008930 B1 19840201 - WATERBED MATTRESS
Title (en)
WATERBED MATTRESS
Publication
Application
Priority
- US 93904978 A 19780901
- US 93905078 A 19780901
Abstract (en)
[origin: US4245362A] Disclosed is a flotation mattress comprising (a) a planar, flexible bag (10) adapted to hold water during use of the mattress, (b) a hollow, annular compartment (12) surrounding the bag (10) in the plane of the bag, the compartment (12) being collapsible in the direction perpendicular to the plane of the bag (10), (c) a plurality of springs (14, 42, 56) disposed in the compartment (12) with their axes of resiliency perpendicular to the plane of the bag (10), the springs (14, 42, 56) biasing the compartment (12) towards its uncollapsed position, and (d) means (20, 34, 36, 38) for maintaining the horizontal stability of the planar, flexible bag (10) while the mattress is in use.
IPC 1-7
IPC 8 full level
A47C 27/00 (2006.01); A47C 17/02 (2006.01); A47C 27/08 (2006.01)
CPC (source: EP US)
A47C 27/064 (2013.01 - EP US); A47C 27/085 (2013.01 - EP US)
Citation (examination)
- US 2979739 A 19610418 - DANIEL KRAKAUER
- DE 496756 C 19300426 - MUELLER ARTHUR
- US 4015299 A 19770405 - TINNEL ROBERT
- US 3351964 A 19671114 - ANSON MICHAEL D
Designated contracting state (EPC)
AT CH DE FR GB IT NL SE
DOCDB simple family (publication)
US 4245362 A 19810120; AT E6024 T1 19840215; AU 5018879 A 19800306; AU 530149 B2 19830707; BR 7905564 A 19800513; CA 1103818 A 19810623; DE 2966609 D1 19840308; EP 0008930 A1 19800319; EP 0008930 B1 19840201; ES 483689 A0 19801201; ES 8100871 A1 19801201; JP S5535696 A 19800312; JP S5638208 B2 19810904; US 4245363 A 19810120
DOCDB simple family (application)
US 93904978 A 19780901; AT 79301788 T 19790831; AU 5018879 A 19790822; BR 7905564 A 19790830; CA 334859 A 19790831; DE 2966609 T 19790831; EP 79301788 A 19790831; ES 483689 A 19790828; JP 11053379 A 19790831; US 93905078 A 19780901